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Maksim231197 [3]
3 years ago
14

What is the factored form of this expression? 4x^2 - 12x + 9​

Mathematics
2 answers:
olga2289 [7]3 years ago
6 0

Answer:

(2x-3)^2

Step-by-step explanation:

I hope this is Correct. :)

If it is not please no hate comments and just correct me like a normal person would.

Karo-lina-s [1.5K]3 years ago
3 0

Answer:

(2x-3)^2

Step-by-step explanation:

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What is the value of 5n-3 when n=5?
joja [24]

Answer:

22

Step-by-step explanation:

We are given the expression:—

\displaystyle \large{5n-3}

When n = 5, substitute/change n to 5:—

\displaystyle \large{5(5)-3}

Evaluate:—

\displaystyle \large{25-3=\boxed{22}}

__________________________________________________________

<u>Summary</u>

  <u>Substitution</u>

Changing or replacing from a term to another terms/expression is called substitution.

Examples:—

If we are given the expression \displaystyle \large{2y-1} and we want to find the value when y = 4, simply replace y-term to 4.

\displaystyle \large{2(4)-1=8-1=\boxed{7}}

__________________________________________________________

If you have any doubts regarding my answer/explanation, do not hesitate to ask in comment!

8 0
2 years ago
HELP PLEASE!!!!!
FromTheMoon [43]

Answer:

positve and linear realationship

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is the measure of Zz?<br> 140°<br> 80°<br> Z
aleksley [76]

Answer:

60

Step-by-step explanation:

140 = 80 + z

z = 60

7 0
1 year ago
Read 2 more answers
Calculate the unit rate. Label your work properly. Show your fraction work.
likoan [24]

Answer:

(9/10) of a pizza per hour.

Step-by-step explanation:

(3/4)*4=3

(5/6)*4= 3hr 20 mins

[3 (1/3)] / [3 (1/3)]=1

3 / [3 (1/3)]= 0.9

5 0
2 years ago
Read 2 more answers
Can someone help me? Please show your work.
Allushta [10]
We know that the perimeter of a rectangle can be represented by the expression 2l +2w, where l represents the length of the rectangle and w represents the width of the rectangle.

If we substitute in the values given in this problem, we get the expression:
2(2x+6) + 2(x)

Another equivalent expression we can use to express the perimeter is w + w + l + l.

If we substitute in the values given in this problem into this expression, we get:

x + x + 2x + 6 + 2x + 6

Overall, we know that these expressions are equivalent and represent the same value (the perimeter of the rectangle), because if you combine like terms, both expressions simplify to 6x + 12.

Hope this helps!
3 0
3 years ago
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